Math hw due tmr...need little help plz!!?!

Mathematics

1 answer:

Oliga [24]3 years ago

3 0

First you gotta find out what this is:
${3}^{9} =$

Then you gotta figure out what this is too:
${3}^{5}$ =
Once you figure that out you must divide:
${3}^{9} \div {3}^{5} =$

And the answer of that equation will be the answer to the problem of how many times bigger the capacity of the of the Madison square Garden in NY than the typical movie theater!

Hope it helps Good Luck! ( If I did anything wrong please let me know and Ill fix it :) )

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HELPPPP PLEASE HELP ME WITH BASIC MATH I REALLY APPRECIATE IT ((WILL MARK AS BRAINLIEST))

Yakvenalex [24]

Answer:

3) 522

4) 468

Step-by-step explanation:

hello!

3) in the question, it says the cross section is a square, and the area of PQRS is 81.

for the square, we know that the length and height have to be the same, so if the area is 81, then we know the sides are both 9 because 9*9 is 81 and they're the same numbers multiplied. (same height and length)

with the information that all 4 sides of the square is 9 and the other side is labeled 10, we can figure out the rest.

both squares : 81+81=162

both 10 by 9 sides: 90+90=180

both 10 by 9 sides (top and bottom): 90+90=180

total surface area=162+180+180=522

4) for this problem, we can see that the triangle is a right triangle.

to solve the area of the triangle, we can do (9*12)/2=108/2=54.

there are two sides with triangles, so we double 54 (54*2=108)

9 by 10 side: 90

10 by 12 side: 120

now for the last slide, theres no information on the length. the formula for the diagonal is

a^2+b^2=c^2